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Old 07-07-2010, 12:21 PM   #33
flatjack9
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Join Date: May 2010
Location: Oshkosh, Wi
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Default Re: running dual carbs

Quote:
Originally Posted by Human Fly View Post
Or is there a unit to put in the pre 48 to make it mechanical? Rather than having to buy some ugly new dizzy?
The pre 48 distributor is a centrifugal advance unit with a vacuum brake which was initially used to prevent ping on acceleration. But with todays higher octane fuel is generally not needed.
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